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1139072508 = 223274520129
BaseRepresentation
bin100001111100100…
…1101110111111100
32221101100212201200
41003321031313330
54313100310013
6305010135500
740140646050
oct10371156774
92841325650
101139072508
11534a82042
12279581590
13151cb1302
14ab3cdc60
156a002e73
hex43e4ddfc

1139072508 has 36 divisors (see below), whose sum is σ = 3290654640. Its totient is φ = 325449216.

The previous prime is 1139072503. The next prime is 1139072521. The reversal of 1139072508 is 8052709311.

1139072508 is a `hidden beast` number, since 11 + 390 + 7 + 250 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139072503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2259813 + ... + 2260316.

Almost surely, 21139072508 is an apocalyptic number.

1139072508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1139072508 is an abundant number, since it is smaller than the sum of its proper divisors (2151582132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139072508 is a wasteful number, since it uses less digits than its factorization.

1139072508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520146 (or 4520141 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1139072508 is about 33750.1482663410. The cubic root of 1139072508 is about 1044.3605461890.

The spelling of 1139072508 in words is "one billion, one hundred thirty-nine million, seventy-two thousand, five hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4520129 9040258 13560387 18080516 27120774 31640903 40681161 54241548 63281806 81362322 94922709 126563612 162724644 189845418 284768127 379690836 569536254 1139072508